linux-kernel - Re: SPAM: Re: [rfc] 2.6.19-rc1-git5: consolidation of file backed fault handlers

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Message-ID: <20061011004654.GB25430@wotan.suse.de>
Date:	Wed, 11 Oct 2006 02:46:54 +0200
From:	Nick Piggin <npiggin@...e.de>
To:	Arjan van de Ven <arjan@...radead.org>
Cc:	Christoph Hellwig <hch@...radead.org>,
	Linux Memory Management <linux-mm@...ck.org>,
	Andrew Morton <akpm@...l.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: SPAM: Re: [rfc] 2.6.19-rc1-git5: consolidation of file backed fault handlers

On Tue, Oct 10, 2006 at 06:09:06PM +0200, Arjan van de Ven wrote:
> > \ What:	vm_ops.nopage
> > -When:	October 2008, provided in-kernel callers have been converted
> > +When:	October 2007, provided in-kernel callers have been converted
> >  Why:	This interface is replaced by vm_ops.fault, but it has been around
> >  	forever, is used by a lot of drivers, and doesn't cost much to
> >  	maintain.
> 
> but a year is a really long time; 6 months would be a lot more
> reasonable..
> (it's not as if most external modules will switch until it's really
> gone.. more notice isn't really going to help that at all; at least make
> the kernel printk once on the first use of this so that they notice!)

I agree with that. But the printk can't go in until all the in-tree
users are converted. I will  get around to doing that once the
interface is firmer.

As for timeframe, I don't have any strong feelings, but 6 months might
only be 1 kernel release, and we may not have got around to putting the
printk in yet ;)

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